Explain secondary roots
Explain the secondary roots? How secondary roots are differentiated from the shoots in origin?
Expert
Secondary roots are considered as the ramifications of the primary (main) root. The secondary roots appear from pericycle, inner tissue of root. The shoots begin from the lateral buds of stem. Thus, the origin of secondary roots is endogenous and the origin of the shoots is exogenous.
Define the term antigen?
Of what units are nucleic acids comprised? Write down the chemical entities which compose that unit?
Which virus can causes flu? Why does not body create permanent immunity against that virus? How does vaccine against the flu work?
Are different proteins made up by similar total number of amino acids?
What are the major kinds of lipids?
Define Pharynx: Pharynx is a general passage for air and food. The pharynx is divisible into oropharynx, naso-pharynx, and laryngeal pharynx.
What is meant by the xaxim?
Streptococcus pneumoniae exist in 84 known antigenic types. Each type differs from the others in the structure of its polysaccharide capsule known as serotypes. Therefore, from the point of view of the adaptive immune system, each and every serotype o
Specify the valve which divides the right ventricle from the pulmonary artery? Why that particular valve is so important?
What is the type of digestive system of echinoderms?
18,76,764
1939350 Asked
3,689
Active Tutors
1453628
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!